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Protein

NADH-ubiquinone oxidoreductase subunit 9

Gene

NAD9

Organism
Paramecium primaurelia
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) that is believed to belong to the minimal assembly required for catalysis. Complex I functions in the transfer of electrons from NADH to the respiratory chain. The immediate electron acceptor for the enzyme is believed to be ubiquinone (By similarity).By similarity

Catalytic activityi

NADH + ubiquinone + 5 H+(In) = NAD+ + ubiquinol + 4 H+(Out).
NADH + acceptor = NAD+ + reduced acceptor.

GO - Molecular functioni

Keywordsi

Molecular functionOxidoreductase
Biological processElectron transport, Respiratory chain, Transport
LigandNAD, Ubiquinone

Names & Taxonomyi

Protein namesi
Recommended name:
NADH-ubiquinone oxidoreductase subunit 9 (EC:1.6.5.3, EC:1.6.99.3)
Alternative name(s):
Protein P1
Gene namesi
Name:NAD9
Encoded oniMitochondrion
OrganismiParamecium primaurelia
Taxonomic identifieri5886 [NCBI]
Taxonomic lineageiEukaryotaAlveolataCiliophoraIntramacronucleataOligohymenophoreaPeniculidaParameciidaeParamecium

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Membrane, Mitochondrion, Mitochondrion inner membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001186461 – 209NADH-ubiquinone oxidoreductase subunit 9Add BLAST209

Interactioni

Subunit structurei

Complex I is composed of about 30 different subunits.

Structurei

3D structure databases

ProteinModelPortaliP15601
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the complex I 30 kDa subunit family.Curated

Family and domain databases

Gene3Di3.30.460.80, 1 hit
InterProiView protein in InterPro
IPR037232 NADH_quin_OxRdtase_su_C/D-like
IPR001268 NADH_UbQ_OxRdtase_30kDa_su
IPR020396 NADH_UbQ_OxRdtase_CS
PfamiView protein in Pfam
PF00329 Complex1_30kDa, 1 hit
ProDomiView protein in ProDom or Entries sharing at least one domain
PD001581 NADH_UbQ_OxRdtase_30kDa_su, 1 hit
SUPFAMiSSF143243 SSF143243, 1 hit
PROSITEiView protein in PROSITE
PS00542 COMPLEX1_30K, 1 hit

Sequencei

Sequence statusi: Complete.

P15601-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSPQRPQRAF FCSEGAKKKK KPKYRFGFPM ALYFFFEKLN FSYWTSTTVS
60 70 80 90 100
PNHYVCVLPA AASQALASVL GGELFLGKSQ LVEATAFDLT GQEVAAGDFL
110 120 130 140 150
VFLKNNGIVL SYSFYFFLLK KRITFFLHGG EKVCSVEAFY SNANWLEREI
160 170 180 190 200
SEMFGVSYLL KKDSRNLLLD YGSSFNPFLK KFPSTGHTEV VFNSFLKTTA

YVQNASVEL
Length:209
Mass (Da):23,655
Last modified:April 1, 1990 - v1
Checksum:iB138B325711DAB43
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M15276 Genomic DNA Translation: AAA79263.1

Similar proteinsi

Entry informationi

Entry nameiNDUS3_PARPR
AccessioniPrimary (citable) accession number: P15601
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 1, 1990
Last sequence update: April 1, 1990
Last modified: March 28, 2018
This is version 77 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health